<template>
  <div class="department-container">
    <div class="app-container">
      <el-card>
        <!-- 用一个行列布局 -->
        <el-row type="flex" justify="space-between" align="middle" style="height: 40px">
          <el-col :span="20">
            <svg-icon icon-class="home" /><span>江苏传智播客教育科技股份有限公司</span>
          </el-col>
          <el-col :span="4">
            <el-row type="flex" justify="end">
              <!-- 两个内容 -->
              <el-col>负责人</el-col>
              <!-- 下拉菜单 element -->
              <el-col>
                <el-dropdown>
                  <span>
                    操作<i class="el-icon-arrow-down" />
                  </span>
                  <el-dropdown-menu slot="dropdown">
                    <el-dropdown-item @click.native="hAdd('')">添加子部门</el-dropdown-item>
                  </el-dropdown-menu>
                </el-dropdown>
              </el-col>
            </el-row>
          </el-col>
        </el-row>
        <el-tree
          :data="list"
          :default-expand-all="true"
        >
          <!-- 作用域插槽 data拿到的是每一个子节点的对象 -->
          <!--
      #default === slot-scope
      什么时候用到作用域插槽？父组件中如果想使用子组件中的数据进行自定义内容的渲染 (类似于table 单元格数据渲染)
    -->
          <template #default="{ data }">
            <el-row
              type="flex"
              justify="space-between"
              align="middle"
              style="height: 40px; width: 100%;"
            >
              <el-col :span="20">
                <span>{{ data.name }}</span>
              </el-col>
              <el-col :span="4">
                <el-row type="flex" justify="end">
                  <!-- 两个内容 -->
                  <el-col>{{ data.manager }}</el-col>
                  <el-col>
                    <!-- 下拉菜单 element -->
                    <el-dropdown>
                      <span> 操作<i class="el-icon-arrow-down" /> </span>
                      <!-- 下拉菜单 -->
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item @click.native="hAdd(data.id)">添加子部门</el-dropdown-item>
                        <el-dropdown-item @click.native="hEdit(data.id)">编辑部门</el-dropdown-item>
                        <el-dropdown-item
                          v-if="data.children && data.children.length === 0"
                          @click.native="hDel(data.id)"
                        >删除部门</el-dropdown-item>
                      </el-dropdown-menu>
                    </el-dropdown>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-tree>
      </el-card>
      <!-- 准备弹层放入新增部门的子组件 -->
      <el-dialog
        :title="isEdit ? '编辑部门' : '新增子部门'"
        :visible.sync="showDialog"
        :close-on-click-modal="false"
        :close-on-press-escape="false"
        @close="hclose"
      >
        <!-- 新增子部门或编辑部门的子组件 -->
        <addOrEdit
          :id="curId"
          ref="myDept"
          :is-edit="isEdit"
          :origin-list="originList"
          @close="showDialog=false"
          @success="hSuccess"
        />
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getDepartments, delDepartment } from '@/api/departments'
import { tranListToTreeList } from '@/utils/index'
import addOrEdit from './deptDialog.vue'
export default {
  components: {
    addOrEdit
  },
  data() {
    return {
      originList: [],
      showDialog: false, // 控制弹层的显示和隐藏
      // 依赖一份树形数据
      list: [],
      curId: '', // 父级id
      isEdit: false // false新增  true编辑
    }
  },
  created() {
    this.loadDepartments()
  },
  methods: {
    hSuccess() {
      // 关闭弹层,重新刷新页面
      this.showDialog = false
      this.loadDepartments()
    },
    hDel(id) {
      // 删除部门
      this.$confirm('您确定要删除该部门吗,是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        const res = await delDepartment(id)
        console.log(res, 'delDepartment')
        if (res.success) {
          // 重新刷新页面
          this.loadDepartments()
        }
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    hEdit(id) {
      this.curId = id
      this.isEdit = true
      this.showDialog = true
      // 解决数据不更新方式2, (方式1是v-if) 在父组件中调用子组件的方法
      this.$nextTick(() => {
        this.$refs.myDept.loadDepartmentsDetail()
      })
    },
    hAdd(id) {
      console.log(id)
      this.curId = id
      this.showDialog = true
      this.$nextTick(() => {
        this.$refs.myDept.form = {}
      })
    },
    // 发送请求,获取数据
    async loadDepartments() {
      try {
        const res = await getDepartments()
        console.log(res.data.depts, 'res.data.depts')
        this.originList = res.data.depts.map(item => {
          const { name, code, id, pid } = item
          return { name, code, id, pid }
        })
        console.log(this.originList, 'originList')
        console.log(res, 'getDepartments')
        res.data.depts.shift() // 删除数组中第一条数据--公司名称
        this.list = tranListToTreeList(res.data.depts)
      } catch (error) {
        console.log(error)
      }
    },
    hclose() {
      console.log('关闭弹层喽')
      // 清空表单 ---> 表单在子组件
      this.$refs.myDept.restForm()
    }
  }
}
</script>

<style>

</style>
